Filter for breathing mask



FIG. 1 is a front, top, left perspective view of the filter for breathing mask, showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left view thereof;

FIG. 7 is a right view thereof;

FIG. 8 is a rear, bottom, right perspective view thereof;

FIG. 9 is a front, top, left perspective view thereof showing three component parts separated;

FIG. 10 is a rear, bottom, right perspective view thereof showing three component parts separated; and,

FIG. 11 is a front, top, right perspective view thereof showing the claimed design attached to broken line elements that form no part of the claim.

The broken lines depict parts of the filter for breathing mask that form no part of the claimed design. 

CLAIM The ornamental design for a filter for breathing mask, as shown and described. 